Home / 28,049.76-42,067.36-8,323.68

Finding the Fourth Proportional to 28,049.76, 42,067.36 and 8,323.68

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Solution

The fourth proportional to 28,049.76, 42,067.36 and 8,323.68 is: 12,483.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,049.76 : 42,067.36 = 8,323.68 : x
  2. Step 2: Convert to fraction form
    28,049.76/42,067.36 = 8,323.68/x
  3. Step 3: Cross multiply
    28,049.76x = 42,067.36 × 8,323.68
  4. Step 4: Simplify right side
    28,049.76x = 350,155,243.08
  5. Step 5: Solve for x
    x = 350,155,243.08/28,049.76
  6. Step 6: Final answer
    x = 12,483.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.